CAT504 Datasheet, PDF (9/12 Pages) Catalyst Semiconductor – 8-Bit Quad DACpot

APPLICATION CIRCUITS (Cont.)
+5V
VREF
1.0 µF
VDD
VREFH
COPATT50044
VPP
DAC 1
CS
DI
DO
PROG
CLK
DAC 2
DAC 3
DAC 4
GND
VREFL
VIN
+ ^{LM 339}
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
+
–
10K
+5V
+
–
WINDOW 1
WINDOW 2
WINDOW 3
WINDOW 4
WINDOW 5
CAT504
VREF
VOUT 1
VOUT 2
WINDOW 1
WINDOW 2
WINDOW 3
VOUT 3
VOUT 4
GND
WINDOW 4
WINDOW 5
WINDOW STRUCTURE
+5V
VREF
1.0 µF
VDD
VREFH
OCPATT550044
VPP
DAC 1
CS
DI
DO
PROG
CLK
DAC 2
DAC 3
DAC 4
GND
VREFL
Staircase Window Comparator
VIN
+ ^{LM 339}
–
10K
+5V
+
–
WINDOW 1
+
–
10K
+5V
+
–
WINDOW 2
+
–
10K
+5V
+
–
WINDOW 3
VREFH
VOUT 2
VOUT 1
VOUT 4
VOUT 3
GND
WINDOW 1
WINDOW 2
WINDOW 3
WINDOW STRUCTURE
Overlapping Window Comparator
9
Doc. No. 25048-0A 2/98 M-1